NOVIK NEO ROLLING SOUND 15BT 15 Inch 1600 Watt 2 Way Battery Powered Bluetooth Speaker PA System with USB/SD Readers, Remote Control and 2 VHF Wireless Microphone &hellip; Bluetooth Wireless Music Streaming - Works with Compatible Phones, MP3 Players, Tablets. Real Music Power 1600W - Peak Power 400W - RMS Power 100W - 2-way Wireless System /MP3/USB/SD/Bluetooth LCD Display - Extra Bass Woofer 15" - Remote Control - Comfortable transportation with slide handle and wheels Include high-quality VHF wireless microphones and an external Mic/Line input Operates on rechargeable - 4 Hour Battery Life - Power supply AC 110V/220V - 60/50Hz